Pentadecagon
//ˌpɛntəˈdɛkəɡən//
"Pentadecagon" in a Sentence (1 examples)
In ⊙ O, draw chord AB equal to r. Draw chord AC equal to Vt (which is the side of a regular decagon). CB is now one side of the regular pentadecagon.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.